LAMMPS (18 Feb 2013)
# Big colloid particles and small LJ particles

units		lj
atom_style	sphere
dimension	2

lattice		sq 0.01
Lattice spacing in x,y,z = 10 10 10
region		box block 0 30 0 30 -0.5 0.5
create_box	2 box
Created orthogonal box = (0 0 -5) to (300 300 5)
  1 by 1 by 1 MPI processor grid
create_atoms	1 box
Created 900 atoms

set		group all type/fraction 2 0.96 23984
  861 settings made for type/fraction

set		type 1 mass 9
  39 settings made for mass
set		type 2 mass 1
  861 settings made for mass

velocity	all create 1.44 87287 loop geom

# multi neighbor and comm for efficiency

neighbor	1 multi
neigh_modify	delay 0
communicate	multi

# colloid potential

pair_style	colloid 12.5
pair_coeff	1 1  1.0 1.0 5.0 5.0 12.5
pair_coeff	1 2  5.0 1.0 5.0 0.0 7.0
pair_coeff	2 2 10.0 1.0 0.0 0.0 2.5

fix		1 all npt temp 2.0 2.0 1.0 iso 0.0 1.0 10.0 drag 1.0 	        mtk no pchain 0 tchain 1
fix		2 all enforce2d

#dump		1 all atom 1000 dump.colloid

#dump		1 all image 1000 image.*.jpg type type #		zoom 1.5 center d 0.5 0.5 0.5
#dump_modify	1 pad 5 adiam 1 5.0 adiam 2 1.5

thermo_style	custom step temp epair etotal press vol
thermo		1000

timestep	0.005

run		50000
Memory usage per processor = 2.9658 Mbytes
Step Temp E_pair TotEng Press Volume 
       0         1.44 -2.2136534e-06    1.4383978  0.014383923        90000 
    1000    1.9558819 -0.00044998322    1.9532587   0.01784589     99146.35 
    2000    2.0558568  0.011295331    2.0648679  0.021858185    96654.425 
    3000    2.1809647 0.0091754217    2.1877168  0.031294876     68756.47 
    4000    2.1960934 0.0028186107    2.1964719  0.049318667    42974.984 
    5000    2.1463273  0.012748525     2.156691  0.073994939    28660.577 
    6000    2.1073992 0.0076702433    2.1127279  0.097655997    21544.211 
    7000     2.084579 -0.0022304831    2.0800323   0.11014552    17791.284 
    8000    2.0677538 0.00059800188    2.0660543   0.12718796     15494.44 
    9000    2.0545977 0.0064465732    2.0587614   0.15002732    13864.665 
   10000    2.0482054  0.010661731    2.0565913   0.17497885     12553.11 
   11000    2.0360539  0.022283053    2.0560747   0.18608443    11469.573 
   12000    2.0488819  0.012601482    2.0592068   0.20752397    10547.355 
   13000    2.0307724  0.027945421    2.0564614   0.23492616    9791.6008 
   14000    2.0291712  0.024760645    2.0516772   0.25749445    9166.0223 
   15000    2.0421329  0.011858836    2.0517227   0.26019128    8645.5059 
   16000    2.0321296  0.023089154    2.0529608   0.30100779    8173.8988 
   17000    2.0339883  0.020841935    2.0525702   0.31937035    7749.9866 
   18000    2.0165994  0.039101369    2.0534601   0.33206939    7399.5633 
   19000    2.0174571   0.03075954     2.045975   0.37582663    7115.1621 
   20000    2.0235743  0.033645074     2.054971   0.37789661     6779.655 
   21000    2.0086918  0.052575979    2.0590359   0.47587927    6468.3757 
   22000    2.0186512  0.035185664    2.0515939   0.39489244    6270.2423 
   23000    2.0159704  0.037209936    2.0509404   0.42372164    6090.2568 
   24000    2.0262103  0.034411154    2.0583702   0.46377965    5878.6019 
   25000    2.0136031  0.040396972    2.0517627   0.49998462    5706.6657 
   26000    2.0118123   0.04348596    2.0530629   0.52601904     5555.535 
   27000    2.0483861  0.010622163    2.0567323   0.46408289    5439.3763 
   28000    1.9775694    0.0880593    2.0634314   0.60451974    5303.7986 
   29000    2.0161573  0.051647461    2.0655645   0.55856521    5154.8346 
   30000    2.0154349  0.045614723    2.0588102   0.55640547    5067.2252 
   31000    2.0264636  0.042015926    2.0662279   0.58323212    4966.2146 
   32000    1.9946148  0.074464523    2.0668631   0.64405663    4840.3505 
   33000     2.016998  0.046624054    2.0613809    0.6520715    4765.5247 
   34000    2.0086574  0.060996501     2.067422    0.6530397    4666.4569 
   35000    2.0203252   0.05402663    2.0721071   0.69134002    4595.6514 
   36000    2.0271451  0.041489394    2.0663822   0.65114797    4526.2978 
   37000    2.0183469  0.064565854    2.0806701   0.70724758    4446.6465 
   38000    2.0049133  0.065280115    2.0679658   0.76328332    4389.5655 
   39000    2.0254497   0.05173788    2.0749371   0.75604831    4332.6535 
   40000    2.0019046  0.080413589    2.0800938   0.78175962    4254.5071 
   41000    2.0246809   0.05297341    2.0754047   0.77404015    4193.7093 
   42000    2.0254595  0.058651302    2.0818603   0.81823656    4135.9705 
   43000    2.0007241  0.083353246    2.0818543   0.82002543    4082.2245 
   44000     1.994415  0.089912333    2.0821113   0.98373573    4051.5787 
   45000    2.0130937   0.07986583    2.0907228   0.97054142     3991.453 
   46000    1.9997536  0.094509733    2.0920414   0.90955799    3926.3675 
   47000    2.0026833  0.086980098    2.0874382    1.1140455    3885.3495 
   48000    2.0217273  0.077640083    2.0971211   0.94719095    3829.7776 
   49000    1.9778606   0.11563852    2.0913015    1.1107597    3798.5114 
   50000     2.038067  0.060063696    2.0958661    1.0030415    3763.2003 
Loop time of 8.78756 on 1 procs for 50000 steps with 900 atoms

Pair  time (%) = 4.14849 (47.2086)
Neigh time (%) = 1.09428 (12.4526)
Comm  time (%) = 0.430549 (4.89953)
Outpt time (%) = 0.00056386 (0.00641657)
Other time (%) = 3.11369 (35.4329)

Nlocal:    900 ave 900 max 900 min
Histogram: 1 0 0 0 0 0 0 0 0 0
Nghost:    515 ave 515 max 515 min
Histogram: 1 0 0 0 0 0 0 0 0 0
Neighs:    5990 ave 5990 max 5990 min
Histogram: 1 0 0 0 0 0 0 0 0 0

Total # of neighbors = 5990
Ave neighs/atom = 6.65556
Neighbor list builds = 3145
Dangerous builds = 0
